From e226e3ce2423b6d6135e35daa61e2252943b95dc Mon Sep 17 00:00:00 2001
From: Valentina Zhuravska <none@none>
Date: Thu, 11 Aug 2016 21:40:38 +0300
Subject: [PATCH 1/2] Fixed issue #537. Valentina crashes when use undo
 command.

--HG--
branch : feature
---
 src/app/valentina/mainwindow.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/app/valentina/mainwindow.cpp b/src/app/valentina/mainwindow.cpp
index 9499c38ae..37c6560cb 100644
--- a/src/app/valentina/mainwindow.cpp
+++ b/src/app/valentina/mainwindow.cpp
@@ -2261,6 +2261,7 @@ void MainWindow::Clear()
     qt_ntfs_permission_lookup--; // turn it off again
 #endif /*Q_OS_WIN32*/
     qApp->getUndoStack()->clear();
+    toolOptions->ClearPropertyBrowser();
     toolOptions->itemClicked(nullptr);
 }
 

From bd757bdc261cf906be6c6c138baf9e97c01d8a49 Mon Sep 17 00:00:00 2001
From: Valentina Zhuravska <none@none>
Date: Fri, 12 Aug 2016 12:40:48 +0300
Subject: [PATCH 2/2] Updated Changelog.txt.

--HG--
branch : feature
---
 ChangeLog.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ChangeLog.txt b/ChangeLog.txt
index cb9c7802b..39a1ccba3 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -14,6 +14,7 @@
 - Fixed Bisector tool bug. The tool created internal variable for wrong segment.  
 - [#526] Dialog Detail is not on top after selection second object on Mac.
 - [#532] Unexpected error occurs when zoom out image.
+- [#537] Valentina crashes when use undo command.
 
 # Version 0.4.4 April 12, 2016
 - Updated measurement templates with all measurements. Added new template Aldrich/Women measurements.